{"id":19526,"date":"2022-11-07T00:10:05","date_gmt":"2022-11-06T18:40:05","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-get-tree-structure-of-a-directory-with-its-subfolders-and-files-using-c-net-in-windows-application-closed\/"},"modified":"2022-11-07T00:10:05","modified_gmt":"2022-11-06T18:40:05","slug":"solved-get-tree-structure-of-a-directory-with-its-subfolders-and-files-using-c-net-in-windows-application-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-get-tree-structure-of-a-directory-with-its-subfolders-and-files-using-c-net-in-windows-application-closed\/","title":{"rendered":"[Solved] get tree structure of a directory with its subfolders and files using C#.net in windows application [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-23879638\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"23879638\" data-parentid=\"23879284\" data-score=\"3\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<h1>Method 1<\/h1>\n<p><code>HierarchicalItem<\/code> holds the information we need about an item in the folder. An item can be a folder or file.<\/p>\n<pre><code>class HierarchicalItem\n{\n    public string Name;\n    public int Deepth;\n\n    public HierarchicalItem(string name, int deepth)\n    {\n        this.Name = name;\n        this.Deepth = deepth;\n    }\n}\n<\/code><\/pre>\n<p><code>SearchDirectory<\/code> is the recursive function to convert and flatten the tree structure to a list<\/p>\n<pre><code>    static IEnumerable&lt;HierarchicalItem&gt; SearchDirectory(DirectoryInfo directory, int deep = 0)\n    {\n        yield return new HierarchicalItem(directory.Name, deep);\n\n        foreach (var subdirectory in directory.GetDirectories())\n            foreach (var item in SearchDirectory(subdirectory , deep + 1))\n                yield return item;\n\n        foreach (var file in directory.GetFiles())\n            yield return new HierarchicalItem(file.Name, deep + 1);\n    }\n<\/code><\/pre>\n<p>Example : <\/p>\n<pre><code>        \/\/fake TextBox...\n        var textBox1 = new { Text = @\"D:\\Code\\C#\" };\n        var directory = new DirectoryInfo(textBox1.Text);\n\n        var items = SearchDirectory(directory);\n\n        \/\/you can print it to a console\n        foreach (var item in items)\n            Console.WriteLine(string.Concat(Enumerable.Repeat('\\t', item.Deepth)) + item.Name);\n\n        \/\/or a textbox\n        textBox1.Text = string.Join(\"\\n\", items.Select(i =&gt;\n            string.Concat(Enumerable.Repeat('\\t', i.Deepth)) + i.Name));\n\n        \/\/or a table\n        for (int i = 0; i &lt; items.Count(); i++)\n        {\n            \/\/with row = i, and column = items[i].Deepth + 1\n        }\n<\/code><\/pre>\n<h1>Method 2<\/h1>\n<p>This recursive method prints the directory like the tree command in CommandLine<\/p>\n<pre><code>    static string ScanFolder(DirectoryInfo directory, string indentation = \"\\t\", int maxLevel = -1, int deep = 0)\n    {\n        StringBuilder builder = new StringBuilder();\n\n        builder.AppendLine(string.Concat(Enumerable.Repeat(indentation, deep)) + directory.Name);\n\n        if (maxLevel == -1 || maxLevel &lt; deep)\n        {\n            foreach (var subdirectory in directory.GetDirectories())\n                builder.Append(ScanFolder(subdirectory, indentation, maxLevel, deep + 1));\n        }\n\n        foreach (var file in directory.GetFiles())\n            builder.AppendLine(string.Concat(Enumerable.Repeat(indentation, deep + 1)) + file.Name);\n\n        return builder.ToString();\n    }\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved get tree structure of a directory with its subfolders and files using C#.net in windows application [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Method 1 HierarchicalItem holds the information we need about an item in the folder. An item can be a folder or file. class HierarchicalItem { public string Name; public int Deepth; public HierarchicalItem(string name, int deepth) { this.Name = name; this.Deepth = deepth; } } SearchDirectory is the recursive function to convert and flatten &#8230; <a title=\"[Solved] get tree structure of a directory with its subfolders and files using C#.net in windows application [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-get-tree-structure-of-a-directory-with-its-subfolders-and-files-using-c-net-in-windows-application-closed\/\" aria-label=\"More on [Solved] get tree structure of a directory with its subfolders and files using C#.net in windows application [closed]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[4636,324,400,1381,959],"class_list":["post-19526","post","type-post","status-publish","format-standard","hentry","category-solved","tag-all-files","tag-c","tag-excel","tag-tree","tag-winforms"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[Solved] get tree structure of a directory with its subfolders and files using C#.net in windows application [closed] - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-get-tree-structure-of-a-directory-with-its-subfolders-and-files-using-c-net-in-windows-application-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] get tree structure of a directory with its subfolders and files using C#.net in windows application [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Method 1 HierarchicalItem holds the information we need about an item in the folder. An item can be a folder or file. class HierarchicalItem { public string Name; public int Deepth; public HierarchicalItem(string name, int deepth) { this.Name = name; this.Deepth = deepth; } } SearchDirectory is the recursive function to convert and flatten ... 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